Shein, Temu Take Fast-Fashion Antitrust Battle to US Courts (1)

If Kate Middleton wears a stylish T-shirt to a polo match, American teenagers will be able to buy replicas of it online the next day in six different colors.

That’s the business model behind ultra-fast fashion, in which companies led by Asian giants Shein and Temu work with overseas manufacturers to move the trendiest styles from Instagram to Generation Z for less than $10, cranking out thousands of new items a day.

Neither Shein nor Temu has store networks or fashion houses. Yet Shein overtook rivals including Zara and H&M during the Covid pandemic to become the market leader in ...